package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;


@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private CategoryService categoryService;
    @Autowired
    private DishFlavorService dishFlavorService;

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Dish::getName,name);
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        dishService.page(pageInfo,queryWrapper);

        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();

            Category category = categoryService.getById(categoryId);

            if (category!=null){
            String categoryName = category.getName();
            dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }
    //根据id查询菜品信息和对应的口味信息
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    @DeleteMapping
    public R<String> delete(Long ids){
        dishService.removeById(ids);

        LambdaQueryWrapper<DishFlavor> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(DishFlavor::getDishId,ids);

        dishFlavorService.remove(queryWrapper);
        return R.success("删除成功");
    }
    /**
     * 根据id(批量)删除菜品信息
     * @param ids
     * @return
     */
//    @DeleteMapping
//    public R<String> delete(Long[] ids){
//        List<Long> list = Arrays.asList(ids);
//
//        log.info("删除菜品，id为：{}",ids);
//        dishService.removeByIds(list);
//
//        dishFlavorService.removeByIds(list);
//        return R.success("菜品信息删除成功");
//    }


    /**
     * 根据id(批量)停售菜品信息
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> updateMulStatus(@PathVariable Integer status, Long[] ids){
//        List<Long> list = Arrays.asList(ids);
//        //list.forEach(System.out::println);
//
//        //构造条件构造器
//        LambdaUpdateWrapper<Dish> updateWrapper = new LambdaUpdateWrapper<>();
//        //添加过滤条件
//        updateWrapper.set(Dish::getStatus,status).in(Dish::getId,list);
//        dishService.update(updateWrapper);

        for (int i = 0; i < ids.length; i++) {
            Dish dish = dishService.getById(ids[i]);
            if(dish.getStatus()==0){
                dish.setStatus(1);
                dishService.updateById(dish);
            }else {
                dish.setStatus(0);
                dishService.updateById(dish);
            }


        }

        return R.success("菜品信息修改成功");
    }

//    @GetMapping("/list")
//    public R<List<Dish>> list(Dish dish){
//
//        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
//        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
//        queryWrapper.eq(Dish::getStatus,1);
//        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//
//        List<Dish> list = dishService.list(queryWrapper);
//        return R.success(list);
//    }
@GetMapping("/list")
public R<List<DishDto>> list(Dish dish){

    LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
    queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
    queryWrapper.eq(Dish::getStatus,1);
    queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

    List<Dish> list = dishService.list(queryWrapper);


    List<DishDto> dishDtos  = list.stream().map((item)->{
        DishDto dishDto = new DishDto();

        BeanUtils.copyProperties(item,dishDto);

        Long categoryId = item.getCategoryId();

        Category category = categoryService.getById(categoryId);

        if (category!=null){
            String categoryName = category.getName();
            dishDto.setCategoryName(categoryName);
        }

        Long dishId = item.getId();

        LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
       lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
        List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
        dishDto.setFlavors(dishFlavorList);
        return dishDto;
    }).collect(Collectors.toList());

    return R.success(dishDtos);
}

}
